/*
 * @(#)MetalworksDocumentFrame.java	1.13 05/11/17
 * 
 * Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * 
 * -Redistribution of source code must retain the above copyright notice, this
 *  list of conditions and the following disclaimer.
 * 
 * -Redistribution in binary form must reproduce the above copyright notice, 
 *  this list of conditions and the following disclaimer in the documentation
 *  and/or other materials provided with the distribution.
 * 
 * Neither the name of Sun Microsystems, Inc. or the names of contributors may 
 * be used to endorse or promote products derived from this software without 
 * specific prior written permission.
 * 
 * This software is provided "AS IS," without a warranty of any kind. ALL 
 * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING
 * ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
 * OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN MIDROSYSTEMS, INC. ("SUN")
 * AND ITS LICENSORS SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE
 * AS A RESULT OF USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS
 * DERIVATIVES. IN NO EVENT WILL SUN OR ITS LICENSORS BE LIABLE FOR ANY LOST 
 * REVENUE, PROFIT OR DATA, OR FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, 
 * INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY 
 * OF LIABILITY, ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, 
 * EVEN IF SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
 * 
 * You acknowledge that this software is not designed, licensed or intended
 * for use in the design, construction, operation or maintenance of any
 * nuclear facility.
 */

/*
 * @(#)MetalworksDocumentFrame.java	1.13 05/11/17
 *
 * 	Modificado por Omar Pinto <joompiol@hotmail.com>
 *
 */
 
package views.swing;

import java.awt.*;
import java.awt.event.*;
import java.util.*;
import javax.swing.*;
import javax.swing.border.*;

public class LabeledPairLayout implements LayoutManager {

      Vector labels = new Vector();
      Vector fields = new Vector();
      
      int yGap = 5;
      int xGap = 10;

      public void addLayoutComponent(String s, Component c) {
		  if (s.equals("label")) {
		      labels.addElement(c);
		  }  else {
		      fields.addElement(c);
		  }
      }

      public void layoutContainer(Container c) {
		  Insets insets = c.getInsets();
		  
		  int labelWidth = 0;
		  Enumeration labelIter = labels.elements();
		  while(labelIter.hasMoreElements()) {
		      JComponent comp = (JComponent)labelIter.nextElement();
		      labelWidth = Math.max( labelWidth, comp.getPreferredSize().width );
		  }
	
		  int yPos = insets.top;
	
		  Enumeration fieldIter = fields.elements();
		  labelIter = labels.elements();
		  while(labelIter.hasMoreElements() && fieldIter.hasMoreElements()) {
		      JComponent label = (JComponent)labelIter.nextElement();
		      JComponent field = (JComponent)fieldIter.nextElement();
		      int height = Math.max(label.getPreferredSize().height, field.getPreferredSize().height);
		      label.setBounds( insets.left, yPos, labelWidth, height ); 
		      field.setBounds( insets.left + labelWidth + xGap, 
					 yPos, field.getPreferredSize().width, height); 
		      yPos += (height + yGap);
		  }
	  
      }


      public Dimension minimumLayoutSize(Container c) {
		  Insets insets = c.getInsets();
		  
		  int labelWidth = 0;
		  Enumeration labelIter = labels.elements();
		  while(labelIter.hasMoreElements()) {
		      JComponent comp = (JComponent)labelIter.nextElement();
		      labelWidth = Math.max( labelWidth, comp.getPreferredSize().width );
		  }
	
		  int yPos = insets.top;
	
		  labelIter = labels.elements();
		  Enumeration fieldIter = fields.elements();
		  while(labelIter.hasMoreElements() && fieldIter.hasMoreElements()) {
		      JComponent label = (JComponent)labelIter.nextElement();
		      JComponent field = (JComponent)fieldIter.nextElement();
		      int height = Math.max(label.getPreferredSize().height, field.getPreferredSize().height);
		      yPos += (height + yGap);
		  }
		  return new Dimension( labelWidth * 3 , yPos );
      }
  
      public Dimension preferredLayoutSize(Container c) {
		  Dimension d = minimumLayoutSize(c);
		  d.width *= 2;
	          return d;
      }
   
      public void removeLayoutComponent(Component c) {}

}
